C# .NET / REACT Developer
- london, england, United Kingdom
- £50 - £70 Per Hour
Job Description
Talan is seeking a skilled C# .NET Developer with REACT experience to join our delivery teams working on Front Office platforms within Global Markets environments .
In this role, you will design, build, and enhance regulatory, alerting, and sales enablement solutions , supporting front-office users in fast-paced trading environments. You will work at the intersection of business and technology , delivering high-performance applications that directly impact sales and trading activities.
You will contribute to the development of front-office sales and trading tools within a Global Markets ecosystem, supporting a range of business-critical applications.
Operating in a distributed agile environment , you will collaborate with:
- Front office stakeholders (sales & trading)
- Application support and production teams
- QA and testing teams
- Distributed delivery teams across Europe and globally
This role offers exposure to complex, real-time systems within capital markets.
Key Responsibilities
- Design, develop and maintain front-office applications, components and utilities
- Contribute across the full software development lifecycle (analysis, design, development, testing, deployment, and support)
- Build and deliver high-performance, scalable applications
- Develop RESTful APIs and modern UI applications using React
- Engage directly with business stakeholders to understand requirements and deliver value-driven solutions
- Collaborate with production support teams to ensure smooth releases and system stability
- Provide third-line support and assist with troubleshooting production incidents
- Contribute to code reviews and continuous improvement initiatives
Skills & Experience (Required)
Strong development experience in C# / .NET & REACT (server-side and/or full-stack)
- Experience building web-based applications and RESTful APIs
- Solid experience with relational databases and SQL
- Strong understanding of application performance and optimisation
- Excellent communication skills, both written and verbal
- Experience working in agile, collaborative environments
- Experience within investment banking or capital markets environments
- Knowledge of front office systems (FX, Rates, Credit, or derivatives)
- Experience with multi-threaded or distributed systems
- Familiarity with CI/CD tools (e.g. Jenkins, TeamCity) and deployment tools (e.g. Ansible)
- Strong analytical and problem-solving skills


